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申请公布号
JPH04131471(U)
申请公布日期
1992.12.03
申请号
JP19910045910U
申请日期
1991.05.23
申请人
发明人
分类号
B08B1/04;A47L11/38;B08B7/04;E01H1/02;(IPC1-7):B08B1/04
主分类号
B08B1/04
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